2211632671 has 2 divisors, whose sum is σ = 2211632672. Its totient is φ = 2211632670.

The previous prime is 2211632669. The next prime is 2211632693. The reversal of 2211632671 is 1762361122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2211632671 - 2¹ = 2211632669 is a prime.

Together with 2211632669, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211662671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105816335 + 1105816336.

It is an arithmetic number, because the mean of its divisors is an integer number (1105816336).

Almost surely, 2^2211632671 is an apocalyptic number.

2211632671 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211632671 is an equidigital number, since it uses as much as digits as its factorization.

2211632671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 2211632671 is about 47027.9987985881. The cubic root of 2211632671 is about 1302.8797445163.

Adding to 2211632671 its reverse (1762361122), we get a palindrome (3973993793).

The spelling of 2211632671 in words is "two billion, two hundred eleven million, six hundred thirty-two thousand, six hundred seventy-one".